6664611039399 has 6 divisors (see below), whose sum is σ = 9626660390256. Its totient is φ = 4443074026260.

The previous prime is 6664611039371. The next prime is 6664611039403. The reversal of 6664611039399 is 9939301164666.

It is not a de Polignac number, because 6664611039399 - 2⁵ = 6664611039367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6664611031399) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 370256168847 + ... + 370256168864.

It is an arithmetic number, because the mean of its divisors is an integer number (1604443398376).

Almost surely, 2^{6664611039399} is an apocalyptic number.

6664611039399 is a deficient number, since it is larger than the sum of its proper divisors (2962049350857).

6664611039399 is a wasteful number, since it uses less digits than its factorization.

6664611039399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740512337717 (or 740512337714 counting only the distinct ones).

The product of its (nonzero) digits is 34012224, while the sum is 63.

The spelling of 6664611039399 in words is "six trillion, six hundred sixty-four billion, six hundred eleven million, thirty-nine thousand, three hundred ninety-nine".